Nonspecific Interstitial Pneumonia Jud W. Gurney, MD, FACR Tan-Lucien H. Mohammed, MD, FCCP Key Facts Terminology 1 of the idiopathic interstitial pneumonias, less common than idiopathic pulmonary fibrosis (IPF), but…
Diffuse Alveolar Hemorrhage Tan-Lucien H. Mohammed, MD, FCCP Key Facts Terminology Classifications based on immune status, immune complexes, histology, or presence of glomerulonephritis (pulmonary-renal syndrome) Imaging Findings CT patterns nonspecific;…
Hypersensitivity Pneumonitis, Chronic Jud W. Gurney, MD, FACR Key Facts Terminology Chronic granulomatous lung disease caused by inhalation of variety of organic and chemical antigens Imaging Findings Ground-glass opacities +…
Hypersensitivity Pneumonitis, Acute-Subcute Jud W. Gurney, MD, FACR Key Facts Terminology Diffuse granulomatous interstitial lung disease caused by inhalation of various antigenic particles (microbes, animal proteins, and low-molecular weight chemicals)…
Asbestosis Helen T. Winer-Muram, MD Key Facts Terminology Interstitial lung disease due to inhalation of asbestos fibers Imaging Findings Morphology: Fibrosis centered on respiratory bronchioles Lung cancer: Lower zone predominance…
Idiopathic Pulmonary Fibrosis C. Nicholas Fetko, MD Aqeel A. Chowdhry, MD Tan-Lucien H. Mohammed, MD, FCCP Key Facts Terminology Idiopathic interstitial pneumonias of unknown cause Associated with histologic pattern of…
Lipoid Pneumonia Helen T. Winer-Muram, MD Key Facts Terminology Exogenous lipid pneumonia: Aspiration or inhalation of animal, vegetable, or mineral oils Imaging Findings Low CT attenuation areas (-10 and -150…
Rheumatoid Necrobiotic Nodules Helen T. Winer-Muram, MD Key Facts Terminology Subacute or chronic inflammatory polyarthropathy of unknown cause Imaging Findings Rheumatoid nodules (seen in < 5%) Solitary or multiple, 0.5-7…
Ankylosing Spondylitis Martha Huller Maier, MD Key Facts Terminology Chronic seronegative inflammatory arthropathy with predilection for axial skeleton Imaging Findings Spinal disease nearly always precedes lung involvement Upper lobe severe…
